CN211750166U

CN211750166U - Tooth extractor fixing device and tooth extractor

Info

Publication number: CN211750166U
Application number: CN201820612373.8U
Authority: CN
Inventors: 程俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2020-10-27
Anticipated expiration: 2028-04-27

Abstract

The utility model provides a tooth extractor fixing device, which comprises a fixing plate and a clamping jaw; the top side of the fixed plate is provided with a connecting column, the bottom side of the fixed plate is provided with two criss-cross sliding chutes, the bottoms of the sliding chutes are provided with ratchets, and four end parts of the two sliding chutes are respectively provided with a clamping jaw; the jack catch is including the straightway and the slope section that connect gradually, and the slope section inclines towards the center of fixed plate, and the free end sliding connection of straightway is in the spout and the terminal surface of straightway is equipped with the pothook with ratchet complex. A dental extractor employing the dental extractor fixture is also provided. The jaws which can only slide towards the center are symmetrically arranged on the two sides of the fixing plate, so that the stability of fixing the teeth can be improved, the jaws can be automatically adjusted according to the sizes of the teeth of a patient, the applicability is stronger, and the operation is simple; simultaneously, the oscillator is arranged in the forceps handle of the tooth extractor connected with the tooth extractor fixing device, and the tooth extractor can vibrate through high frequency, so that the tooth is loosened more in a time-saving and labor-saving manner, the tooth extracting time is shortened, and the pain of a patient is relieved.

Description

Tooth extractor fixing device and tooth extractor

Technical Field

The utility model relates to a tooth extractor, in particular to a tooth extractor fixing device and a tooth extractor.

Background

The existing tooth extraction tools are basically manual, tooth extraction is a time-consuming and painful matter, especially tooth extraction is difficult to realize, such as wisdom tooth or premolar posterior molars, the tooth extraction is required to be inserted into a gap between the neck of a dental crown and the alveolar bone wall by a straight elevator for tooth extraction, so that the tooth extraction tool can be inserted with strength while being inserted, but the gap is very small and tight, so that the tooth extraction tool can be gradually inserted by knocking in an elevator by a hammer when the gap is opened a little, and the tooth extraction tool can be lifted while being knocked; or cutting a gingival flap; or rooting with a turbine; or removing alveolar bone around the tooth with steel file; or hold the teeth and shake the teeth down in hours.

These methods are easy to crush and straighten teeth when extracting teeth, and are more troublesome in root digging and more damaging. Moreover, the method wastes time and labor for extracting the stable teeth, is frequent when extracting one tooth for half an hour, and is easy to bleed, damage the gingiva, the alveolar bone and the periodontal ligament, and even damage the upper occlusal sinus and the lower alveolar neural canal, thereby causing infection and pain.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a tooth extractor fixing device, which comprises a fixing plate and a clamping jaw; the top side of the fixed plate is provided with a connecting column, the bottom side of the fixed plate is provided with two criss-cross sliding chutes, the bottoms of the sliding chutes are provided with ratchets, and four end parts of the two sliding chutes are respectively provided with a clamping jaw; the jack catch is including the straightway and the slope section that connect gradually, and the slope section inclines towards the center of fixed plate, and the free end sliding connection of straightway is in the spout and the terminal surface of straightway is equipped with the pothook with ratchet complex.

Preferably, in the dental extractor fixing device, the contact surface of the jaw and the tooth is provided with an anti-slip layer.

Preferably, in the dental extractor fixing device, the oblique cutting section of the claw is made of shape memory alloy.

Preferably, in the fixing device of the dental extractor, the connecting column is screwed in a threaded through hole in the center of the fixing plate, and one end of the connecting column below the fixing plate is provided with a clamping block.

Preferably, in the dental extractor fixing device, the clamping block is connected with the straight line segment of the jaw through the shape memory alloy wire, and the shape memory alloy wire is in a contraction and tension state under the working state.

Further, the utility model also provides a tooth extractor adopts the above arbitrary tooth extractor fixing device, including last pincers handle, lower pincers handle and articulated shaft, should go up pincers handle and lower pincers handle and pass through articulated shaft and articulate, go up and be equipped with the oscillator in the pincers handle, and the front end of going up the pincers handle is connected with tooth extractor fixing device's spliced pole.

Compared with the prior art, the beneficial effects of the utility model are that: the jaws which can only slide towards the center are symmetrically arranged on the two sides of the fixing plate, so that the stability of fixing the teeth in the tooth extraction process can be improved, the jaws can be automatically adjusted according to the sizes of the teeth of a patient, the applicability is stronger, and the operation is simple; simultaneously, the oscillator is arranged in the forceps handle of the tooth extractor connected with the tooth extractor fixing device, and the tooth extractor can vibrate through high frequency, so that the tooth is loosened more in a time-saving and labor-saving manner, the tooth extracting time is shortened, and the pain of a patient is relieved.

Drawings

FIG. 1 is an overall schematic view of a dental extractor fixture and dental extractor;

FIG. 2 is a top view of the jaws;

fig. 3 is a bottom view of the fixing plate.

In the figure: 1-fixing plate, 2-oscillator, 3-connecting column, 4-sliding chute, 5-ratchet, 6-claw, 61-straight line segment, 62-inclined segment, 63-clamping hook, 64-anti-slip layer, 7-threaded through hole, 8-clamping block, 9-shape memory alloy wire, 10-upper forceps handle, 11-lower forceps handle and 12-articulated shaft.

Detailed Description

The present invention will now be described in greater detail with reference to the drawings, in which preferred embodiments of the invention are shown, with the understanding that those skilled in the art can modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

Referring to fig. 1 to 3, the present invention provides a dental extractor fixing device and a dental extractor with simple operation.

The tooth extractor fixing device comprises a fixing plate 1 and a claw 6.

The bottom side of the fixed plate 1 is provided with two criss-cross sliding grooves 4, the bottoms of the sliding grooves 4 are provided with ratchets 5, and four end parts of the two sliding grooves 4 are respectively provided with a clamping jaw 6; the claw 6 comprises a straight line section 61 and an inclined section 62 which are connected in sequence, the inclined section 62 inclines towards the center of the fixing plate 1, the free end of the straight line section 61 is connected in the sliding groove 4 in a sliding mode, and a clamping hook 63 matched with the ratchet 5 is arranged on the end face of the straight line section 61. The ratchets 5 and the hooks 63 are matched to enable the claws 6 to move in a single direction, namely towards the center of the fixing plate 1, so that the teeth to be extracted are fixed. Preferably, the contact surface of the jaw 6 with the teeth is provided with an anti-slip layer 64 to further enhance the stability of the fixation.

As a preferred embodiment, the oblique cutting section of the claw 6 adopts shape memory alloy. Before the use, can pull slope section 62 to the direction of keeping away from the center at low temperature, make things convenient for this tooth extractor fixing device to install on the tooth, and then promote jack catch 6 and make it draw close to the tooth center, then jack catch 6 shape under the effect of oral cavity temperature recovers gradually, firmly grabs in tooth both sides.

The top side of the fixed plate 1 is provided with a connecting column 3, and one end of the connecting column 3 extending out of the fixed plate 1 is used for being connected with a forceps handle of the tooth extractor. The connecting column 3 is screwed in a threaded through hole 7 in the center of the fixing plate 1, and one end of the connecting column 3, which is positioned below the fixing plate 1, is provided with a clamping block 8. The clamping block 8 is connected with the straight line section 61 of the clamping jaw 6 through the shape memory alloy wire 9, the shape memory alloy wire 9 is in a contraction tensioning state in a working state, namely the shape memory alloy wire 9 is in a contraction state at the temperature of an oral cavity or after an external heat source is applied, and tensioning force towards the direction of the center of the fixing plate 1 can be applied to the straight line section 61 of the clamping jaw 6.

The utility model also provides a tooth extractor, including last pincers handle 10, lower pincers handle 11 and articulated shaft 12, should go up pincers handle 10 and lower pincers handle 11 and pass through articulated shaft 12 articulated, go up and be equipped with oscillator 2 in the pincers handle 10, and go up the front end of pincers handle 10 and be connected with tooth extractor fixing device's spliced pole 3. During the use, on will pulling out tooth ware fixing device was fixed in the tooth earlier, then, play oscillator 2 and carry out the high frequency oscillation swing to the tooth to make the tooth not hard up, the tooth is not hard up the back and is extracted the tooth through last pincers handle 10, and easy operation is convenient, is favorable to providing doctor work efficiency, reduces patient's misery.

The shape memory alloy referred to herein may be a medical grade nickel titanium alloy.

In summary, in the dental extractor fixing device and the dental extractor provided by the embodiment of the present invention, the jaws which can only slide toward the center are symmetrically disposed at both sides of the fixing plate, so that not only can the stability of fixing the teeth during the tooth extraction process be increased, but also the teeth can be automatically adjusted according to the size of the teeth of the patient, and the device has the advantages of stronger applicability and simple operation; simultaneously, the oscillator is arranged in the forceps handle of the tooth extractor connected with the tooth extractor fixing device, and the tooth extractor can vibrate through high frequency, so that the tooth is loosened more in a time-saving and labor-saving manner, the tooth extracting time is shortened, and the pain of a patient is relieved.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. A tooth extractor fixing device, which is characterized by comprising a fixing plate (1) and a claw (6); the top side of the fixed plate (1) is provided with a connecting column (3), the bottom side of the fixed plate (1) is provided with two crossed sliding chutes (4), the bottoms of the sliding chutes (4) are provided with ratchets (5), and four end parts of the two sliding chutes (4) are respectively provided with a clamping jaw (6); the jack catch (6) is including straightway (61) and the slope section (62) that connect gradually, and slope section (62) are towards the center slope of fixed plate (1), and the free end sliding connection of straightway (61) is equipped with pothook (63) with ratchet (5) complex in spout (4) and the terminal surface of straightway (61).

2. The dental extractor fixture as claimed in claim 1, wherein the jaw (6) is provided with an anti-slip layer (64) on the tooth contacting surface.

3. The dental extractor fixture as claimed in claim 1, wherein the cut-off section of the jaw (6) is made of shape memory alloy.

4. The device for fixing a dental extractor according to claim 1, characterized in that the connecting column (3) is screwed in a threaded through hole (7) in the center of the fixing plate (1), and a clamping block (8) is arranged at one end of the connecting column (3) below the fixing plate (1).

5. A dental extractor fixture as claimed in claim 4, characterised in that the clamping block (8) is connected to the straight section (61) of the jaw (6) by a shape memory alloy wire (9), and in that the shape memory alloy wire (9) is under contraction tension in the working condition.

6. A tooth extractor adopting the tooth extractor fixing device as claimed in any one of claims 1-5, characterized in that the tooth extractor comprises an upper forceps handle (10), a lower forceps handle (11) and a hinge shaft (12), the upper forceps handle (10) and the lower forceps handle (11) are hinged through the hinge shaft (12), a vibrator (2) is arranged in the upper forceps handle (10), and the front end of the upper forceps handle (10) is connected with the connecting column (3) of the tooth extractor fixing device.